Let's list them so that people can connect up on whatever islands our ZB castaways have landed.

zbforums.com of course! Hosted by Sani and admined by Aaron

#zetaboards IRC channel is still open for business, thanks to Aaron and EA.
Server: irc.ferwy.net:6667
Channel: #zetaboards

https://jcodes.jcink.net/
Cory has started a resource board and is converting codes and skins/themes for that service. He's doing Tapatalk code requests there as well. Quite a few former ZB'ers have joined.

https://planetnexus.net/community - is the new forum home of Planet Nexus, which in it's 2.0 version will not be forum platform-centered, so once we are up and running, anyone will be able to register and use the system. We have a random chat thread where people tend to gather.

https://discord.gg/A5DmErU
Here's the primary Discord we were using on ZB Support in case it should close suddenly. Also served as a hub for IcyBoards refugees, though not as many used it.
Made by Esper of Atrium.